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Summary of Significant Accounting Policies - Summary of Financing Receivables (Parenthetical) (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Dividends declared	$ 456,706,000us-gaap_DividendsCommonStockCash	$ 353,414,000us-gaap_DividendsCommonStockCash	$ 324,888,000us-gaap_DividendsCommonStockCash
Teekay Tangguh Borrower LLC [Member]
Financing Receivable, Recorded Investment [Line Items]
Ownership percentage	99.00%us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest / dei_LegalEntityAxis = tk_TeekayTangguhBorrowerLlcMember
Teekay BLT Corporation [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans to equity accounted investees and joint venture partners carrying value	1,800,000us-gaap_AdvancesToAffiliate / dei_LegalEntityAxis = tk_TeekayBltCorporationMember	28,500,000us-gaap_AdvancesToAffiliate / dei_LegalEntityAxis = tk_TeekayBltCorporationMember
Advances repaid	11,700,000tk_RepaymentOfAdvancesToSubsidiariesNet / dei_LegalEntityAxis = tk_TeekayBltCorporationMember
Additional amount repaid as part of settlement agreement	1,500,000tk_PaymentUnderSettlementAgreement / dei_LegalEntityAxis = tk_TeekayBltCorporationMember
Teekay Tangguh Joint Venture [Member]
Financing Receivable, Recorded Investment [Line Items]
Ownership percentage	69.00%us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = tk_TeekayTangguhJointVentureMember
Advances repaid	14,400,000tk_RepaymentOfAdvancesToSubsidiariesNet / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = tk_TeekayTangguhJointVentureMember
Dividends declared	$ 87,100,000us-gaap_DividendsCommonStockCash / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = tk_TeekayTangguhJointVentureMember
Teekay Tangguh Joint Venture [Member] | Teekay BLT Corporation [Member]
Financing Receivable, Recorded Investment [Line Items]
Ownership percentage	70.00%us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest / dei_LegalEntityAxis = tk_TeekayBltCorporationMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = tk_TeekayTangguhJointVentureMember

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Long-Term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. This does not include advances to clients.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.6-04.2)

-URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 4

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6812-107765



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 2

-Article 6

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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